Re: [PATCH 1/2] ACPI / video: Fix initial level validity test

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On Wednesday, November 06, 2013 09:03:15 AM Aaron Lu wrote:
> When testing if the firmware's initial value is valid, we should use
> the corrected level value instead of the raw value returned from
> firmware.
> 
> Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx>
> Cc: Danny Baumann <dannybaumann@xxxxxx>
> Cc: stable <stable@xxxxxxxxxx>

Any pointers to bug reports, BZ entries, etc?

> ---
>  drivers/acpi/video.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
> index 38c3a28d6392..bf521b36c2f9 100644
> --- a/drivers/acpi/video.c
> +++ b/drivers/acpi/video.c
> @@ -856,7 +856,7 @@ acpi_video_init_brightness(struct acpi_video_device *device)
>  		 * or an index). Set the backlight to max_level in this case.
>  		 */
>  		for (i = 2; i < br->count; i++)
> -			if (level_old == br->levels[i])
> +			if (level == br->levels[i])
>  				break;
>  		if (i == br->count)
>  			level = max_level;
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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